What's the probability of getting at least k heads in n coin flips?

By mistake, Sally's boss gave her a 12% pay cut. What percentage raise must Sally be given to correct the situation and restore her pay to its original amount?

Negative integers whose product is 72

What are the roots of the equation 16x2 - 16x + 5 = 0 in simplest a + bi form?

your friend spends 6+5x minutes lifting weights and 9x+8 minutes running on a treadmill. write a polynomial that represents how much more time is spent running on the treadmill than lifting weights.

Which pair of ratios can form a true proportion? 1/2, 6/10 6/8, 5/20 3/5, 6/10 3/9, 7/80

How many peas in a pod

A study on students drinking habits asks a random sample of 60 male UF students how many alcoholic beverages they have consumed in the past week. The sample reveals an average of 5.84 alcoholic drinks, with a standard deviation of 4.98.

Light bulbs cost £2.30 each. Yasmin buys as many as she can with £20. How much change should she get? Give your answer in pounds, £.

The length of a rectangle is 3 cm more than the width. Which expression represents the length? A. 3 * w B. w : 3 C. 3 + w D. w - 3

Tim mows neighborhood lawns for extra money. Suppose that he would be willing to mow one lawn for $1010 , a second lawn for $1818 , and a third lawn for $2020. Also suppose that three neighbors are interested in having their lawns mowed. Mrs.